Mitsubishi Electric CAHV-P500YA-HPB Service Handbook

[ II Restrictions ]
- 17 -
HWE10060 GB
[4] Sample Installation
(1) Individual system
(2) Multiple system (2-16 units)
Unit (MAIN circuit)
PCB
Unit (SUB circuit)
PCB
External
temperature
sensor
Field-supplied dry
contact switch/relay
or remote controller
(PAR-W21MAA)
Field-supplied dry
contact switch/relay
or remote controller
(PAR-W21MAA)
External
temperature
sensor
Unit (MAIN circuit)
PCB
Unit (SUB circuit)
PCB
*Each unit is operated individually by connecting a dry contact switch/relay to each unit.
External
temperature
sensor
Field-supplied dry
contact switch/relay
or remote controller
(PAR-W21MAA)
MAIN unit SUB unit
SUB unit(s)
n units
Inter-unit wiring
(M-NET line)
Inter-unit wiring
(M-NET line)
Unit (MAIN circuit)
PCB
Unit (SUB circuit)
PCB
Unit (MAIN circuit)
PCB
Unit (SUB circuit)
PCB
Unit (MAIN circuit)
PCB
Unit (SUB circuit)
PCB
*A group of unit that consists of one main unit and up to 15 sub units is operated collectively by connecting an external water temperature sensor and a
dry contact switch/relay to the main unit.

Mitsubishi Electric CAHV-P500YA-HPB Specifications

General

Model	CAHV-P500YA-HPB
Category	Heat Pump
Power Source	Electric
Refrigerant	R410A
Power Supply	380-415V, 50Hz, 3-Phase